This is a very interesting Plegadis Ibis. It is "mostly" Glossy in that it has gray facial skin, a brown eye and a pale skin (not feathered) border to the facial skin. It is a fully mature bird by plumage. A Glossy should have a bluish pale border to the gray face, but this bird seems to have a white (or pale pink) skin border. Otherwise it looks like Glossy and that may be what it is. White-faced outnumber Glossies in this area 95% to 5% but Glossies are regular in small numbers. Not sure how many hybrids there might be or if this bird displays any hybrid characters but it is unlike mature Glossies I see in Texas or Louisiana or Florida in the skin color of the facial border being white or pinkish.
not sure if you can see the red spot on its head I did not have time to take another pic..
extremely pale female, male in background